optical aberration: A defect in a lens system that leads to distorted images, which can result from various factors like lens shape or quality.

Pincushion distortionradiology

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Barrel vspincushion distortion

For instance, a linear polarizer placed after a quarter-wave plate, which has received circularly polarized light, will filter out one of the circular ...

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Pincushion distortionphotography

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J Ye · 2024 · 11 — Conventionally, linear polarization is obtained by passing unpolarized light through a linear polarizer, which is typically constructed from ...

Mustachedistortion

Barreldistortion

barrel distortion: A lens distortion where images appear bulged outward from the center, causing straight lines to bow outwards, opposite to pincushion distortion.

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Pincushion distortion is a type of optical aberration where images appear pinched or bowed inward at the corners, making straight lines look curved. This distortion typically occurs in wide-angle lenses and can affect the overall composition and perspective of a shot, leading to creative applications or challenges in cinematography.

Pincushion distortionlens

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lens correction: Techniques used to minimize or eliminate optical distortions in images, enhancing overall image quality.

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